公开(公告)号：US20160297186A1

公开(公告)日：2016-10-13

申请号：US15036328

申请日：2014-11-14

Applicant: SAUDI BASIC INDUSTRIES CORPORATION ,  SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Maria Soliman ,  Johannes Peter Antonius Martens

IPC: B32B27/32 ,  B32B9/02 ,  B32B9/04 ,  C08J5/18

CPC classification number: B32B27/32 ,  B32B9/02 ,  B32B9/045 ,  B32B2250/40 ,  B32B2307/518 ,  B32B2307/7244 ,  B32B2307/7246 ,  B32B2307/75 ,  B32B2410/00 ,  C08J5/18 ,  C08J2323/02 ,  C08J2323/06 ,  C08J2403/02

Abstract: The present invention relates to biaxially stretched article obtained by stretching a thermoplastic composition in a machine direction and a transverse direction at elevated temperature, said thermoplastic composition comprising: —a polyolefin phase containing at least one polyolefin, —a starch phase containing thermoplastic starch, —at least one compatibiliser selected from the group consisting of ethylene vinyl alcohol copolymers, block saponified polyvinyl acetate and random terpolymers of ethylene, butylacrylate and maleic anhydride, wherein the total of the at least one polyolefin, the thermoplastic starch and the at least one compatibiliser is more than 80 wt % of the weight of the thermoplastic composition and wherein the article has a layered morphology with alternating layers of starch phase and polyolefin phase, said layers of starch phase and polyolefin phase extending in machine direction and transverse direction.

Abstract translation: 本发明涉及通过在高温下在机器方向和横向上拉伸热塑性组合物而获得的双轴拉伸制品，所述热塑性组合物包含： - 含有至少一种聚烯烃的聚烯烃相， - 含有热塑性淀粉的淀粉相 - 选自乙烯乙烯醇共聚物，嵌段皂化聚乙酸乙烯酯和乙烯，丙烯酸丁酯和马来酸酐的无规三元共聚物的至少一种增容剂，其中所述至少一种聚烯烃，热塑性淀粉和至少一种增容剂的总量为 所述热塑性组合物的重量大于80重量％，并且其中所述制品具有层状形态，具有交替层的淀粉相和聚烯烃相，所述淀粉相和聚烯烃相层在纵向和横向上延伸。